1) Development of the Kite Anchor for Mulberry Harbour – Lecture Notes
By Allan Harry Beckett:
The notes below were prepared by Allan Beckett for use in a presentation of his design for the Kite anchor. The note explains the design process whereby he developed the exceptional holding power of the Kite anchor.
"To moor the Whale bridges and keep them straight in any weather required a mooring to each pontoon capable of withstanding a pull of 20 tons. To give a reasonable margin of safety some form of anchor with a holding power of 30 tons was necessary. To lay these anchors quickly over the beaches dictated that they should be light weight and fairly easily handled in small craft capable of operating in..
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2) Allan Beckett, the Kite Anchor and Mulberry Harbour (PDF, 0.5MB)
3) Some Aspects of the Design of Flexible Bridging, Including 'Whale' Floating Roadways". (PDF, 1.6MB)
A paper by Allan Beckett forming part of a series called "The Engineer at War". Originally published by the Institution of Civil Engineers in 1948.
4) A harbour called Mulberry. (PDF, 6MB)
5) The NCE 50th anniversary Mulberry Harbour special issue
6) Allan Beckett's record of wartime service. (PDF, 2MB)
Written in 1991 this document includes Allan's first hand recollections of the design and construction of Mulberry Harbour.
7) A Mulberry Harbour CDROM is available from:
This CD contains a wealth of information on the engineering aspects of the Mulberry Harbours and includes CAD annimations of the principal equipment together with contemporary video clips and technical drawings. The CD was produced with Beckett Rankine's assistance for the 60th anniversary of D Day.
8) The Mulberry Harbours. (PDF, 12MB)
Written by Brigadier Sir Bruce White just after the war this paper contains his overview of the Mulberry Harbour project.
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9) Mulberry Harbour Codewords. (JPG, 36MB)
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Are you confused about the codewords used for the Mulberry Harbours? If so you are not alone; this explanatory diagram was prepared in 1946 by the drawing office of the War Office's Tn5 department which was responsible for preparing many of the Mulberry Harbour design drawings.